Home Studia Psychologica 2014 Studia Psychologica Vol.56, No.3, p.233-252, 2014

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Studia Psychologica Vol.56, No.3, p.233-252, 2014

Title: TESTING OF SPATIAL ABILITY: CONSTRUCTION AND EVALUATION OF A NEW INSTRUMENT
Author: Petr KVĚTON, Martin JELÍNEK, Dalibor VOBOŘIL

Abstract:

The aim of the paper is to describe the process of development and evaluation of a newly designed spatial ability test. It consists of two consecutive studies. I

n Study I (N = 267) we proposed 35 items equally divided into five subsets.

The items were designed with respect to theoretically described spatial ability dimensions (spatial perception, orientation, visualization, relations, and mental rotation). Even though a five factor structural model fitted the data reasonably well, on the principle of parsimony we agreed on a unidimensional model.

Items with the best parameters (n = 25) were considered as the final version of the test.

In Study II (N = 124) we verified that there is no significant impact of the administration media (paper/pencil vs. computer-based).

The test-retest stability with a six-week interval was acceptable (r = 0.796), and so was the internal consistency (Cronbach’s α = 0.752).

We have found a modest correlation (r = 0.470) with the Spatial Reasoning subtest of the Intelligence Structure Test.



Keywords: spatial ability, testing, psychometrics
Published online: 17-Oct-2014
Year: 2014, Volume: 56, Issue: 3 Page From: 233, Page To: 252
doi:10.4149/studphys_2014_03_233
Price: 10.00 €






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